TY  - JOUR
AU  - Jan Chabrowski
AU  - Bernhard Ruf
TI  - On the critical Neumann problem
 with lower order perturbations
JO  - Colloquium Mathematicum
PY  - 2007
SP  - 225
EP  - 246
VL  - 108
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm108-2-6/
DO  - 10.4064/cm108-2-6
LA  - en
ID  - 10_4064_cm108_2_6
ER  -